typed_store::rocks

Struct DBTransaction

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pub struct DBTransaction<'a> { /* private fields */ }

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impl<'a> DBTransaction<'a>

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pub fn new(db: &'a Arc<RocksDB>) -> Result<Self, TypedStoreError>

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pub fn new_without_snapshot( db: &'a Arc<RocksDB>, ) -> Result<Self, TypedStoreError>

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pub fn insert_batch<J: Borrow<K>, K: Serialize, U: Borrow<V>, V: Serialize>( &mut self, db: &DBMap<K, V>, new_vals: impl IntoIterator<Item = (J, U)>, ) -> Result<&mut Self, TypedStoreError>

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pub fn delete_batch<J: Borrow<K>, K: Serialize, V>( &mut self, db: &DBMap<K, V>, purged_vals: impl IntoIterator<Item = J>, ) -> Result<&mut Self, TypedStoreError>

Deletes a set of keys given as an iterator

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pub fn snapshot( &self, ) -> SnapshotWithThreadMode<'_, Transaction<'a, OptimisticTransactionDB>>

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pub fn get_for_update<K: Serialize, V: DeserializeOwned>( &self, db: &DBMap<K, V>, key: &K, ) -> Result<Option<V>, TypedStoreError>

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pub fn get<K: Serialize + DeserializeOwned, V: Serialize + DeserializeOwned>( &self, db: &DBMap<K, V>, key: &K, ) -> Result<Option<V>, TypedStoreError>

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pub fn multi_get<J: Borrow<K>, K: Serialize + DeserializeOwned, V: DeserializeOwned>( &self, db: &DBMap<K, V>, keys: impl IntoIterator<Item = J>, ) -> Result<Vec<Option<V>>, TypedStoreError>

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pub fn iter<K: DeserializeOwned, V: DeserializeOwned>( &'a self, db: &DBMap<K, V>, ) -> Iter<'a, K, V>

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pub fn keys<K: DeserializeOwned, V: DeserializeOwned>( &'a self, db: &DBMap<K, V>, ) -> Keys<'a, K>

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pub fn values<K: DeserializeOwned, V: DeserializeOwned>( &'a self, db: &DBMap<K, V>, ) -> Values<'a, V>

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pub fn commit(self) -> Result<(), TypedStoreError>

Auto Trait Implementations§

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impl<'a> Freeze for DBTransaction<'a>

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impl<'a> RefUnwindSafe for DBTransaction<'a>

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impl<'a> Send for DBTransaction<'a>

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impl<'a> !Sync for DBTransaction<'a>

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impl<'a> Unpin for DBTransaction<'a>

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impl<'a> UnwindSafe for DBTransaction<'a>

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